500800801 has 2 divisors, whose sum is σ = 500800802. Its totient is φ = 500800800.

The previous prime is 500800799. The next prime is 500800819. The reversal of 500800801 is 108008005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358117776 + 142683025 = 18924^2 + 11945^2 .

It is a cyclic number.

It is not a de Polignac number, because 500800801 - 2¹ = 500800799 is a prime.

Together with 500800799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (500800831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250400400 + 250400401.

It is an arithmetic number, because the mean of its divisors is an integer number (250400401).

Almost surely, 2^500800801 is an apocalyptic number.

It is an amenable number.

500800801 is a deficient number, since it is larger than the sum of its proper divisors (1).

500800801 is an equidigital number, since it uses as much as digits as its factorization.

500800801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 500800801 is about 22378.5790657048. The cubic root of 500800801 is about 794.1240307524.

Adding to 500800801 its reverse (108008005), we get a palindrome (608808806).

The spelling of 500800801 in words is "five hundred million, eight hundred thousand, eight hundred one".